Question: I need a facial recognition technology that can detect and track faces with high precision, including race, age, gender, and facial expressions.

Luxand is a cloud-based facial recognition API with a broad range of abilities including face recognition, age and gender identification, emotion detection, liveness detection, face cropping, face similarity and facial landmark detection. It's used in biometric authentication, attendance systems, fraud detection and age verification, among other uses. Luxand offers Basic, Business and Enterprise pricing levels, with a 14-day free trial and 24/7 technical support.

Facia is another high-end facial recognition technology with face recognition, liveness detection, face matching, photo ID matching, face search and age verification. It's got strong defenses against deepfakes and spoofing attacks and can store data on your own servers. Facia is GDPR compliant, and its documentation is detailed enough to be useful. It's geared for government, health care and financial services customers, among others.

If you're looking for more general-purpose biometric tools, Speech Technology Center offers Videovoice Biometrics for remote user authentication, Face Biometrics for face recognition and analysis, and Speech Recognition for multilingual speech recognition. Its products are suited for use in Smart and Safe Cities and Government Agencies, and the company offers custom training and consulting to meet customers' needs.